Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062083 | Ping elongator-modulator for realistic echo synthesis | Claude C. Routh | 1991-10-29 |
| 4991144 | Dopplerized echo repeater | Ray M. Marklnd | 1991-02-05 |
| 4306301 | Wide band frequency shifter in variable amounts | Claude C. Routh | 1981-12-15 |
| 4219885 | Sonar target simulator | Claude C. Routh, Peter Huisveld, Jr., Milton D. Papineau | 1980-08-26 |
| 4214313 | Multiple sonar masking and jamming countermeasure system | Warren A. Sauer, Donald A. Young | 1980-07-22 |
| 4207819 | Helicopter destroyer | — | 1980-06-17 |